On Mon, 23 Apr 2018 22:08:44 +0200
Florian Westphal <fw@xxxxxxxxx> wrote:
> Ahmed Abdelsalam <amsalam20@xxxxxxxxx> wrote:
> > > > @@ -50,6 +62,12 @@ struct ip6t_srh {
> > > > __u8 segs_left;
> > > > __u8 last_entry;
> > > > __u16 tag;
> > > > + struct in6_addr psid_addr;
> > > > + struct in6_addr nsid_addr;
> > > > + struct in6_addr lsid_addr;
> > > > + struct in6_addr psid_msk;
> > > > + struct in6_addr nsid_msk;
> > > > + struct in6_addr lsid_msk;
> > >
> > > This is changing something exposed through UAPI, so you will need a
> > > new revision for this.
> >
> > Could you please advice what should be done in this case?
>
> You need to add
> struct ip6t_srh_v1 {
> /* copy of struct ip6t_srh here */
>
> /* new fields go here */
> };
>
>
> Look at xt_conntrack.c, conntrack_mt_reg[] for an example of
> multi-revision match.
>
> You can probably re-origanise code to avoid too much duplication.
> See 5a786232eb69a1f870ddc0cfd69d5bdef241a2ea in nf.git for an example,
> it makes v0 into a v1 struct at runtime and re-uses new v1 code
> for old v0.
>
>
Thanks Florian!
--
Ahmed Abdelsalam <amsalam20@xxxxxxxxx>
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